.nav {
  width: 100%;
  background-color: #fff;
}
.nav .top_nav {
  height: 94px;
  border-bottom: #f5f5f5 1px solid;
  box-sizing: border-box;
}
.nav .top_nav .logo {
  float: left;
  width: 196px;
  height: 100%;
  display: flex;
  align-items: center;
}
.nav .top_nav > ul {
  float: left;
  height: 100%px;
}
.nav .top_nav > ul > li {
  height: 100%;
  float: left;
  padding: 0 20px;
  line-height: 94px;
}
.nav .top_nav > ul > li:nth-child(1) {
  background-color: #31c27c;
}
.nav .top_nav > ul > li:nth-child(1) a {
  color: #fff;
}
.nav .top_nav > ul > li:nth-child(1) a:hover {
  color: #000;
}
.nav .top_nav > ul > li a {
  font-size: 18px;
  width: 100%;
  display: block;
}
.nav .top_nav > ul > li a:hover {
  color: #31c27c;
}
.nav .top_nav .sousuo {
  margin-left: 10px;
  float: left;
  width: 220px;
  height: 60px;
}
.nav .top_nav .sousuo .text {
  height: 38px;
  border-radius: 3px;
  border: #c9c9c9 1px solid;
  box-sizing: border-box;
  margin-top: 26px;
  padding: 0 0 0 11px;
}
.nav .top_nav .sousuo .text input {
  line-height: 36px;
  width: 174px;
}
.nav .top_nav .sousuo .text button {
  float: right;
  height: 100%;
  width: 30px;
  background-color: #fff;
  outline-style: none;
  border: none;
  background: url(../image/search.png) no-repeat 5px 10px;
}
.nav .top_nav .sousuo .text button:hover {
  cursor: pointer;
}
.nav .top_nav .sousuo .gequ {
  display: none;
  border: 1px #c9c9c9 solid;
  background-color: #fff;
  position: absolute;
  width: 220px;
  z-index: 100;
}
.nav .top_nav .sousuo .gequ li {
  line-height: 36px;
}
.nav .top_nav .sousuo .gequ li a {
  width: 100%;
  height: 100%;
  display: block;
  color: #000;
  padding: 0 10px;
  box-sizing: border-box;
}
.nav .top_nav .sousuo .gequ li a:hover {
  background-color: #31c27c;
  color: #fff;
}
.nav .top_nav .sousuo .gequ span {
  float: right;
}
.nav .top_nav .login {
  float: right;
  height: 100%;
  display: flex;
  align-items: center;
}
.nav .top_nav .login a {
  margin-left: 10px;
  float: left;
  box-sizing: border-box;
  padding: 0 10px;
}
.nav .top_nav .login a:nth-child(1) {
  height: 100%;
  display: block;
  line-height: 94px;
}
.nav .top_nav .login a:nth-child(2) {
  background-color: #31c27c;
  line-height: 38px;
  height: 38px;
  color: #fff;
  font-size: 13px;
}
.nav .top_nav .login a:nth-child(3) {
  border: #c9c9c9 1px solid;
  line-height: 38px;
  height: 38px;
  box-sizing: border-box;
}
.nav .center_nav {
  height: 52px;
  display: flex;
  justify-content: center;
}
.nav .center_nav li {
  float: left;
  height: 100%;
}
.nav .center_nav li a {
  height: 100%;
  line-height: 52px;
  font-size: 15px;
  margin: 0 22px;
  display: block;
}
body {
  background-color: #f8f8f8;
}
header .banner {
  width: 1200px;
  height: 300px;
  margin: 50px auto 0;
}
header .banner .slide-carousel {
  margin-bottom: 20px;
}
header .banner .slide-3d .desc {
  display: none;
}
header .banner .slide-3d .item-list li {
  width: 750px;
  height: 300px;
  transition: all 0.5s ease-out;
  opacity: 0;
  position: absolute;
  top: 0;
  left: 0;
}
header .banner .slide-3d .item-list li.item0 {
  transform: translate3d(-225px, 0, 0) scale(0.8);
}
header .banner .slide-3d .item-list li.item1 {
  transform: translate3d(0, 0, 0) scale(0.8);
  transform-origin: 0 50%;
  opacity: 1;
  z-index: 2;
}
header .banner .slide-3d .item-list li.item2 {
  transform: translate3d(225px, 0, 0) scale(1);
  transform-origin: 0 50%;
  opacity: 1;
  z-index: 3;
}
header .banner .slide-3d .item-list li.item3 {
  transform: translate3d(450px, 0, 0) scale(0.8);
  transform-origin: 100% 50%;
  opacity: 1;
  z-index: 2;
}
header .banner .slide-3d .item-list li.item4 {
  transform: translate3d(675px, 0, 0) scale(0.8);
}
header .banner .slide-3d .item-list li.item5 {
  transform: translate3d(900px, 0, 0) scale(0.8);
}
header .banner .slide-3d .item-list li.item6 {
  transform: translate3d(1125px, 0, 0) scale(0.8);
}
header .banner .slide-3d .item-list li.item7 {
  transform: translate3d(1350px, 0, 0) scale(0.8);
}
header .banner .slide-3d .item-list li.item8 {
  transform: translate3d(1575px, 0, 0) scale(0.8);
}
header .banner .slide-3d .item-list li.item9 {
  transform: translate3d(1800px, 0, 0) scale(0.8);
}
header .banner .slide-2d .item-list li {
  width: 1200px;
  height: 300px;
  transition: all 0.5s ease-out;
  position: absolute;
  top: 0;
  left: 0;
}
header .banner .slide-2d .item-list li.item0 {
  transform: translateX(-1200px);
}
header .banner .slide-2d .item-list li.item1 {
  transform: translateX(0px);
}
header .banner .slide-2d .item-list li.item2 {
  transform: translateX(1200px);
}
header .banner .slide-2d .item-list li.item3 {
  transform: translateX(2400px);
}
header .banner .slide-2d .item-list li.item4 {
  transform: translateX(3600px);
}
header .banner .slide-2d .item-list li.item5 {
  transform: translateX(4800px);
}
header .banner .slide-2d .item-list li.item6 {
  transform: translateX(6000px);
}
header .banner .slide-2d .item-list li.item7 {
  transform: translateX(7200px);
}
header .banner .slide-2d .item-list li.item8 {
  transform: translateX(8400px);
}
header .banner .slide-2d .item-list li.item9 {
  transform: translateX(9600px);
}
main {
  margin-top: 20px;
}
main .section {
  margin: 30px auto;
}
main .top p {
  line-height: 60px;
  font-size: 24px;
}
main .button ul {
  display: flex;
  justify-content: space-between;
}
main .button ul li {
  width: 224px;
}
main .button ul li div {
  width: 100%;
}
main .button ul li div img {
  width: 100%;
}
main .button ul li .img {
  overflow: hidden;
}
main .button ul li .img img {
  transition: all 0.4s linear;
}
main .button ul li .img img:hover {
  transform: scale(1.04, 1.04);
}
main .button ul li h3 {
  margin: 15px 0 0;
  font-weight: 400;
}
main .button ul li .mai {
  line-height: 28px;
}
main .button ul li .mai a {
  float: right;
  display: block;
  width: 80px;
  height: 24px;
  border: #c9c9c9 1px solid;
  line-height: 24px;
  text-align: center;
  font-size: 12px;
}
main .button ul li .mai a:hover {
  background-color: #c9c9c9;
}
footer {
  background-color: #333333;
  padding-bottom: 20px;
  color: #7f7f7f;
}
footer a {
  color: #7f7f7f;
}
footer .box {
  padding-top: 80px;
}
footer .w_left {
  float: left;
  width: 470px;
}
footer .w_left ul {
  margin: 50px 0 20px;
}
footer .w_left ul li {
  float: left;
}
footer .w_left ul li div {
  height: 34px;
  width: 34px;
  margin-right: 50px;
}
footer .w_left ul li p {
  margin-top: 20px;
}
footer .w_left ul li .pc {
  background: url(../image/footer.png) 0 -1px;
}
footer .w_left ul li .pc:hover {
  background: url(../image/footer.png) 0 34px;
}
footer .w_left ul li .mac {
  background: url(../image/footer.png) -69px -1px;
}
footer .w_left ul li .mac:hover {
  background: url(../image/footer.png) -69px 34px;
}
footer .w_left ul li .and {
  background: url(../image/footer.png) -139px -1px;
}
footer .w_left ul li .and:hover {
  background: url(../image/footer.png) -139px 34px;
}
footer .w_left ul li .ipn {
  background: url(../image/footer.png) -206px -1px;
}
footer .w_left ul li .ipn:hover {
  background: url(../image/footer.png) -206px 34px;
}
footer .center {
  float: left;
}
footer .right {
  float: right;
}
footer .center ul {
  margin: 50px 0 20px;
}
footer .center li {
  float: left;
}
footer .center li div {
  height: 34px;
  width: 34px;
  margin-right: 50px;
  margin-bottom: 20px;
}
footer .center li .kge {
  background: url(../image/footer.png) -273px -1px;
}
footer .center li .kge:hover {
  background: url(../image/footer.png) -273px 34px;
}
footer .center li .su {
  margin-left: 20px;
  background: url(../image/footer.png) -340px -1px;
}
footer .center li .su:hover {
  background: url(../image/footer.png) -340px 34px;
}
footer .center li .qp {
  background: url(../image/footer.png) -418px -1px;
}
footer .center li .qp:hover {
  background: url(../image/footer.png) -418px 34px;
}
footer .right div {
  margin: 50px 0 20px;
}
footer .right ul {
  float: left;
}
footer .right ul li {
  height: 32px;
  width: 102px;
}
footer .hh p {
  margin: 20px 0;
}
footer .hh p a {
  margin-right: 40px;
}
footer .botton {
  margin-top: 80px;
}
footer .botton p {
  text-align: center;
  font-size: 12px;
  margin-bottom: 18px;
}
.totop {
  position: fixed;
  right: 30px;
  bottom: 30px;
}
.totop div {
  height: 38px;
  width: 38px;
  border: #c9c9c9 1px solid;
  margin-top: 3px;
  background-color: #fff;
  text-align: center;
  line-height: 38px;
}
.totop div:hover {
  background-color: #ededed;
}
.totop div a {
  display: block;
  width: 100%;
  height: 100%;
}
.totop div img {
  height: 18px;
  width: 20px;
  vertical-align: middle;
}